Apparently; "“Everything on this guitar is exactly as Zakk wanted it,” said Michael McGuire, Operations Manager of Gibson Custom, “including the pickup selector switch on the upper-rear point of the body.”
A detail that might look a little odd at first glance, the selector switch is positioned for easy access in playing position — just one of the many little touches demanded by Wylde"
Not sure how it could possibly not be in the way though.